Nightmare AI
Free AI upscaler for photos and anime up to 4K.
Score
60
User Rating
3.0
Free/Trial Support
Supported
Starting Price
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Last Updated
Aug 14, 2026
Overview
What is Nightmare AI?
Nightmare AI is an online AI Upscaler that uses real-esrgan based AI upscaler & enhancer model to increase image resolution while improving quality. It can upscale images up to 4K and offers optional face correction capabilities. It is designed to improve image quality and clarity and upscale images into HD resolution, supporting photos, anime, and images.
What is Nightmare AI used for?
Top Features
- AI Photo Upscaler
- AI Anime Upscaler
- AI Image Upscaler
How to use Nightmare AI?
To upscale your photo/anime/images on Nightmare AI: Step 1: Upload your image. Step 2: Upscale - click the upscale button and choose the desired resolution (2K or 4K). Step 3: Download - click the download button to get your HD images.
Alternative Tools
No alternative tools found
Pros & Cons
No Data
Use Cases
- Enhance blurry photos to HD, 2K, or 4K resolution.
- Upscale anime, cartoon, and comic pictures without losing quality.
- Improve image quality and clarity for various types of images.
Nightmare AI Pricing
Free PlanSubscription Plan
No detailed pricing information available
User Reviews
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